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Assertion : In acidic medium, K2 Cr2 O7 ...

Assertion : In acidic medium, `K_2 Cr_2 O_7 " exists as " Cr_2 O_7^(2-)` (orange) while in basic medium it is converted to `CrO_4^(2-)` (yellow).
Reason : `K_2 Cr_2 O_7 ` is hygroscopic in nature and changes colour on reaction with water.

A

Statement 1 is True, statement 2 is True, Statement 2 is Correct explanation for Statement 1.

B

Statement 1 is 'True, Statement 2 is True, Statcmcnt2 is NOT a correct explanation for Statement I.

C

Statement 1 is True, Statement 2 is False.

D

Statement 1 is False, Statement 2 is True.

Text Solution

Verified by Experts

The correct Answer is:
C
`K_2 Cr_2 O_7` changes colour only with change in pH of aqueous solution.
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